Richardson is to head a five-strong team focusing on design brands, hotels, technology and global luxury interiors, with clients including ACE Hotel, textile design company Kvadrat, manufacturing firm PCH International and architects Tabanlioglu.
Camron said: "Katie will work closely with Camrons' New York office and the London divisions to build a programme that will focus on marketing and design collaborations. This will include brand partnerships, alliances with design schools and cultural affiliations."
Richardson was associate director at Camron from 2000 until 2006, after which she freelanced before joining Designjunction as head of marketing and PR in 2014. Her earlier roles included press officer at Virgin.